body{
    background-color:#eff4f8;
}
.main-page:after{
    content: "";
    display: block;
    clear: both;
    position: relative;
    background-color:#eff4f8;
}
header{
    padding:0 200px 0 20px;
    width:100%;
    height:62px;
    line-height:62px;
    position: fixed;
    top:0;
    left:0;
    z-index:99;
   /* color: #3b8cff;*/
    font-size: 20px;
   /* font-weight: 200;*/
}
.nav{
    height:100%;
    padding-top:10px;
    overflow-y: auto;
    width:190px;
    float:left;
    position: fixed;
    top:62px;
    left:0;
    z-index:99;
}
.main{
	height:98%;
    box-sizing:border-box;
    float:left;
    border:1px solid #d8dfea;
    background-color: #fff;
    border-radius:5px;
    margin-top:62px;
    margin-left: 190px;
    padding-top:20px;
}
.nav li{
    height:45px;
    line-height:45px;
    color:rgb(102,102,102);
}
.nav li>div{
    margin-left:20px;
}
.nav li.active{
    color:#3b8cff;
    font-weight: 600;
    background-color: rgba(0,0,0,.05);
}
.nav li:hover{
    background-color: rgba(0,0,0,.05);
    font-weight: 600;
}
.u-center{
   /* color:#e35a53; */
   font-size:14px;
}.u-center:hover{
   color:#e35a53;
    font-size:14px;
}